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101512 (1998 XU25)
Classification: Main-belt Asteroid          SPK-ID: 2101512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090051855527048 3.7024e-08  
a 3.057096925066054 1.3462e-08 au
q 2.41814781499002 1.1246e-07 au
i .633499457063588 4.1887e-06 deg
node 102.8382514995517 0.00043067 deg
peri 309.224305481414 0.00043089 deg
M 45.28401333036022 1.2306e-05 deg
tp 2458954.913410516621
(2020-Apr-15.41341052)
6.6369e-05 TDB
period 1952.370510295342
5.35
1.2896e-05
3.531e-08
d
yr
n .1843912300977859 1.2179e-09 deg/d
Q 3.696046035142087 1.6275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1998-11-16  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:07  

Additional Information
 Earth MOID = 1.42839 au 
 Jupiter MOID = 1.68442 au 
 T_jup = 3.201 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO493570  
diameter diameter 3.302 km 0.751 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101512 (1998 XU25)          Discovered 1998-Dec-14 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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